The 5E30 Blind RIV ALM Open 4.0x12mm is a precision blind rivet engineered for demanding applications requiring reliable fastening in aluminium and composite materials. Featuring a 4.0mm diameter shaft and 12mm grip range, this open-end design delivers consistent pull-through performance with minimal installation effort. The aluminium mandrel construction ensures lightweight assembly without compromising structural integrity. Ideal for aerospace, automotive, and industrial fabrication where quality fastening is non-negotiable. Professional-grade reliability in every application.